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Decimal Math Review: Underlined Digits and Decimal Operations

Review decimal values by finding underlined digits, changing numbers, and practicing decimal arithmetic operations. Arrange numbers in order and practice rounding decimals.

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Decimal Math Review: Underlined Digits and Decimal Operations

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  1. Decimal Math Review

  2. What is the value of the underlined digit? 7,129.056 20 (twenty)

  3. How will the value of the below number change if the underlined digit is replaced by a 5? 6,247.359 It will be worth 300 (three hundred) more

  4. What place is the six in? 2,815.063 hundredths

  5. What is the value of the underlined digit? 32,817.954 30,000

  6. How will the value of the below number change if the underlined digit is replaced by a 3? 9,457.238 It will be worth .005 (five thousandths) less

  7. What place is the four in? 8,245.107 tens

  8. >, <, or = 0.6 0.35 0.6 > 0.35

  9. >, <, or = 0.07 0.070 0.07 = 0.070

  10. >, <, or = 0.153 0.86 0.153 < 0.86

  11. >, <, or = 0.90 0.09 0.90 > 0.09

  12. >, <, or = 0.79 2 0.79 < 2

  13. Put the numbers in order from least to greatest. 0.79 ; 0.2 ; 0.16 0.16; 0.2; 0.79

  14. Put the numbers in order from least to greatest. 2.00 ; 0.29 ; 0.4 0.29; 0.4; 2.00

  15. Put the numbers in order from least to greatest. 0.36 ; 0.9 ; 0.19 0.19; 0.36; 0.9

  16. 411.39

  17. 172.8

  18. 318.1

  19. 686

  20. 96

  21. Juan ran his race in 47.63 seconds. Round the time to the nearest second (ones). ___________ 48 seconds

  22. Tasha is 1.624 meters tall. What is her height to the nearest tenth? 1.6 meters

  23. What decimal multiplication problem is modeled here? 0.4 x 0.7 = 0.28

  24. What decimal multiplication problem is modeled here? 0.2 x 0.3 = 0.06

  25. What decimal multiplication problem is modeled here? 0.7 x 0.6 = 0.42

  26. What decimal division problem is modeled here? 1.6 ÷2 = 0.8 or 1.6 ÷ 0.8 = 2

  27. What decimal division problem is modeled here? 1.5 ÷5 = 0.3 or 1.5 ÷ 0.3 = 5

  28. What decimal division problem is modeled here? 1.2 ÷3 = 0.4 or 1.2 ÷ 0.4 = 3

  29. 1.9 x 0.24 = _____ 0.456

  30. 3.7 x 0.8 = _____ 2.96

  31. 12 x 0.45 = _____ 5.4

  32. 4.3 x 2.6 = _____ 11.18

  33. 72÷ 0.8 = 90

  34. 5.7 ÷ 1.5 = 3.8

  35. 3.774 ÷ 5.1 = 0.74

  36. 1.872 ÷ 0.9 = 2.08

  37. 32.9 ÷ 5 = 6.58

  38. What decimal is modeled here? 0.65

  39. What decimal is modeled here? 0.7

  40. 1.41 + 0.5 = 1.91

  41. 1.24 – 0.58 =0.66

  42. 28.92 + 3.27 = _____ 32.19

  43. 60.9 - 8.14 = _____ 52.76

  44. 139.4 + 5.97 = _____ 145.37

  45. 36 + 2.67 = _____ 38.67

  46. 50 – 8.1= _____ 41.9

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